<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta http-equiv="X-UA-Compatible" content="ie=edge">
  <title>3.6.6.6.6.6.6.6.3.6.3.6.3.6</title>
  <style>
    #bigblock {
      width: 960px;
      height: 600px;
      border: 1px solid #d7d7d7
    }
    #bigblock div{
      float: left;
      text-align: center
    }
    .head {
      width: 960px;
      height: 50px;
      background-color: #4e9ce9;
    }
    .leftpart {
      width: 680px;
      height: 500px;
      background-color: #e2e2e2;
    }
    .rightpart {
      width: 270px;
      height: 500px;
      background-color: #f7f7f7;
      margin-left: 10px
    }
    .bottom {
      width: 960px;
      height: 50px;
      background-color: #4e9ce9
    }
    .align{
      position: absolute;
      top: 50%;
      transform: translate (0,-50%)
    }
  </style>


</head>
<body>
  <div id="bigblock">
    <div class="head"><p>头部</p></div>
    <div class="leftpart"><p style="padding-top: 210px;">左边的栏目</p></div>
    <div class="rightpart"><p style="padding-top: 210px;">右边的栏目</p></div>
    <div class="bottom"><p>页面底部</p></div>
  </div>
  
</body>
</html>